Catherine Pooler - Essentials Stamp Set - Year Round. The Year Round Essentials Stamp Set includes a months stamp that works with the Year Round Stencil and other handy icons and month and day stamps you will use all the year round! The Year Round Essentials Stamp Set is perfect for use in any of our Canvo Bullet Journals! This stamp set is part of the January 2021 Club Canvo subscription, and the Canvo Collection. Catherine Pooler clear stamp sets are made out of high quality photopolymer. They cling easily to our acrylic grid stamping blocks.